Update app.py

app.py

@@ -21,12 +21,12 @@ def pdf_changes(pdf_doc, repo_id):
     
     loader = OnlinePDFLoader(pdf_doc.name)
     documents = loader.load()
-    text_splitter = CharacterTextSplitter(chunk_size=350, chunk_overlap=0)
+    text_splitter = CharacterTextSplitter(chunk_size=1000, chunk_overlap=0)
     texts = text_splitter.split_documents(documents)
     embeddings = HuggingFaceHubEmbeddings()
     db = Chroma.from_documents(texts, embeddings)
     retriever = db.as_retriever()
-    llm = HuggingFaceHub(repo_id=repo_id, model_kwargs={"temperature":0.1, "max_new_tokens":300})
+    llm = HuggingFaceHub(repo_id=repo_id, model_kwargs={"temperature":0.1, "max_new_tokens":250})
     global qa 
     qa = RetrievalQA.from_chain_type(llm=llm, chain_type="stuff", retriever=retriever, return_source_documents=True)
     return "Ready"